57 lines
1.6 KiB
LLVM
57 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -O3 -S < %s | FileCheck %s
|
|
; RUN: opt -passes=instcombine,sccp,bdce -S < %s | FileCheck %s
|
|
; RUN: opt -passes=aggressive-instcombine,instcombine,sccp,bdce -S < %s | FileCheck %s
|
|
|
|
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
define i1 @foo(i32 %t4, i32 %t10) {
|
|
; CHECK-LABEL: @foo(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%t09 = shl i32 %t10, 24
|
|
%t010 = ashr exact i32 %t09, 24
|
|
%t011 = add nsw i32 %t010, 979
|
|
%t11 = trunc i32 %t4 to i8
|
|
%t12 = icmp eq i8 %t11, 0
|
|
%t14 = zext i1 %t12 to i32
|
|
%t15 = shl i32 %t4, %t14
|
|
%t17 = and i32 %t15, 255
|
|
%t18 = icmp eq i32 %t011, %t17
|
|
ret i1 %t18
|
|
}
|
|
|
|
define i1 @bar(i32 %t4, i32 %t10) {
|
|
; CHECK-LABEL: @bar(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%t09 = shl i32 %t10, 24
|
|
%t010 = ashr exact i32 %t09, 24
|
|
%t011 = add nsw i32 %t010, 979
|
|
%t11 = trunc i32 %t4 to i8
|
|
%t12 = icmp eq i8 %t11, 0
|
|
%t14 = zext i1 %t12 to i8
|
|
%t15 = shl i8 %t11, %t14
|
|
%t17 = zext i8 %t15 to i32
|
|
%t18 = icmp eq i32 %t011, %t17
|
|
ret i1 %t18
|
|
}
|
|
|
|
define i1 @foobar(i32 %t4, i32 %t10) {
|
|
; CHECK-LABEL: @foobar(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%t09 = shl i32 %t10, 24
|
|
%t010 = ashr exact i32 %t09, 24
|
|
%t011 = add nsw i32 %t010, 979
|
|
%t11 = trunc i32 %t4 to i8
|
|
%t12 = icmp eq i8 %t11, 0
|
|
%t13 = zext i8 %t11 to i32
|
|
%t14 = select i1 %t12, i32 1, i32 0
|
|
%t15 = shl nuw nsw i32 %t13, %t14
|
|
%t16 = trunc i32 %t15 to i8
|
|
%t17 = zext i8 %t16 to i32
|
|
%t18 = icmp eq i32 %t011, %t17
|
|
ret i1 %t18
|
|
}
|